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248933 = 892797
BaseRepresentation
bin111100110001100101
3110122110202
4330301211
530431213
65200245
72054516
oct746145
9418422
10248933
11160033
12100085
13893c9
1466a0d
154db58
hex3cc65

248933 has 4 divisors (see below), whose sum is σ = 251820. Its totient is φ = 246048.

The previous prime is 248909. The next prime is 248971. The reversal of 248933 is 339842.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 114244 + 134689 = 338^2 + 367^2 .

It is a cyclic number.

It is not a de Polignac number, because 248933 - 26 = 248869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 248896 and 248905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1310 + ... + 1487.

It is an arithmetic number, because the mean of its divisors is an integer number (62955).

2248933 is an apocalyptic number.

It is an amenable number.

248933 is a deficient number, since it is larger than the sum of its proper divisors (2887).

248933 is an equidigital number, since it uses as much as digits as its factorization.

248933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886.

The product of its digits is 5184, while the sum is 29.

The square root of 248933 is about 498.9318590750. The cubic root of 248933 is about 62.9063023048.

Subtracting 248933 from its reverse (339842), we obtain a palindrome (90909).

The spelling of 248933 in words is "two hundred forty-eight thousand, nine hundred thirty-three".

Divisors: 1 89 2797 248933